> Maybe social sciences are just really hard.
More likely is that they're not actually science.
More likely is that they're not actually science.
Still, I don’t think we’ve come upon a better method of knowledge acquisition in this realm.
All that said, there is no one scientific model. Evolutionary biology has never pretended to by anything like physics. It's an open and non-linear system. It cannot make predictions, and nearly every generalisation it makes is either relatively trivial, or has a great many exceptions. For the most part, it's a historical science.